Exact Values of Trig Functions

If cot x > 0 and csc x < 0, then x is in quadrant:

• I
• II
• III
• IV

If sec x > 0 and csc x < 0, in what quadrant is angle x?

• I
• II
• III
• IV

If cot x < 0 and sec x > 0, angle x must be in quadrant:

• I
• II
• III
• IV

If sec x = 3/4, what is cos x?

• 3/4
• 4/3
• -3/4
• -4/3

If tan x = undefined, then cot x = ?

• undefined
• 0
• 1
• -1

If csc x = -2, then what trig function would be -1/2?

• cos x
• sin x
• sec x
• tan x

When is cot x = 1?

• x = π

• x = π/2

• x = π/4

• x = 0